Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The advent of December denotes an average high-temperature of a comfortable 64.8°F (18.2°C), subtly different from November's 70°F (21.1°C). December nights are marked by an average temperature drop to a cool 52.9°F (11.6°C).Humidity
February and December, with an average relative humidity of 77%, are the most humid months in Galliano.Rainfall
In December, the rain falls for 9.1 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Galliano, during the entire year, the rain falls for 139.9 days and collects up to 16.38" (416mm) of precipitation.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:38 am and sunset at 5:02 pm. On the last day of December, sunrise is at 6:55 am and sunset at 5:13 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during December morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. To guard against the harmful effects of the Sun, minimize exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What are the temperatures in Galliano in December?
What are the most humid months in Galliano?
What is the average humidity in December in Galliano?
How many days does it rain in December in Galliano?
What is the month with the shortest days in Galliano?
How many hours of daylight does Galliano have in December?
What time are sunrise and sunset in December in Galliano?
What is the month with the least sunshine in Galliano?
How long on average sun shines in December in Galliano?
What are the months with the lowest UV index in Galliano?
What is the UV index reading in December in Galliano?
Average temperature in December
Galliano, LA
- Average high temperature in December: 64.8°F
The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is January (61.5°F).
- Average low temperature in December: 52.9°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (49.1°F).
Average pressure in December
Galliano, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in December
Galliano, LA
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Galliano, LA
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Galliano, LA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is August (2.76").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in December
Galliano, LA
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.5 days).
Average daylight in December /
Average sunshine in December
Galliano, LA
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Galliano, LA
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in December
Galliano, LA
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Galliano, LA
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Galliano, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Galliano, Louisiana, USA
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